package com.zzyl.nursing.service.impl;

import java.util.Arrays;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

import cn.hutool.core.collection.ListUtil;
import com.baomidou.mybatisplus.core.toolkit.ObjectUtils;
import com.baomidou.mybatisplus.core.toolkit.Wrappers;
import com.zzyl.framework.web.service.TokenService;
import com.zzyl.nursing.dto.UserLoginRequestDto;
import com.zzyl.nursing.service.WechatService;
import com.zzyl.nursing.vo.LoginVo;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import com.zzyl.nursing.mapper.FamilyMemberMapper;
import com.zzyl.nursing.domain.FamilyMember;
import com.zzyl.nursing.service.IFamilyMemberService;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;

/**
 * 老人家属Service业务层处理
 * 
 * @author alexis
 * @date 2024-11-10
 */
@Service
public class FamilyMemberServiceImpl extends ServiceImpl<FamilyMemberMapper, FamilyMember> implements IFamilyMemberService
{
    @Autowired
    private FamilyMemberMapper familyMemberMapper;

    @Autowired
    private WechatService wechatService;

    @Autowired
    private TokenService tokenService;

    static List<String> DEFAULT_NICKNAME_PREFIX = ListUtil.of(
            "生活更美好",
            "大桔大利",
            "日富一日",
            "好柿开花",
            "柿柿如意",
            "一椰暴富",
            "大柚所为",
            "杨梅吐气",
            "天生荔枝"
    );

    /**
     * 新增或更新小程序用户
     *
     * @param userLoginRequestDto 老人家属登录参数
     * @return 登录结果
     */
    @Override
    public LoginVo saveFamilyMember(UserLoginRequestDto userLoginRequestDto) {
        // 获得openId
        String openid = wechatService.getOpenid(userLoginRequestDto.getCode());
        // 根据openId查询family_member表获取家属信息
        FamilyMember familyMember = familyMemberMapper.selectOne(Wrappers.<FamilyMember>lambdaQuery()
                .eq(FamilyMember::getOpenId, openid));
        // 判断家属信息是否为空，如果为空创建家属对象，并赋值openId
        if(ObjectUtils.isEmpty(familyMember)){
            familyMember = new FamilyMember();
            familyMember.setOpenId(openid);
        }
        // 根据phoneCode获取手机号
        String phoneNumber = wechatService.getPhone(userLoginRequestDto.getPhoneCode());
        familyMember.setPhone(phoneNumber);
        // 新增或更新家属信息，
        instertOrUpdateFamilyMember(familyMember,phoneNumber);
        // 把用户Id和昵称封装到jwt中返回
        Map<String, Object> claims = new HashMap<>();
        claims.put("userId", familyMember.getId());
        claims.put("nickName", familyMember.getName());

        String token = tokenService.createToken(claims);
        LoginVo loginVo = new LoginVo();
        loginVo.setToken(token);
        loginVo.setNickName(familyMember.getName());

        return loginVo;
    }

    private void instertOrUpdateFamilyMember(FamilyMember familyMember, String phoneNumber) {
        // 新增或更新老人
        if(ObjectUtils.isEmpty(familyMember.getId())){
            // 判断是否第一次登录，如果是，需要随机生成一个昵称
            // 从集合中随机一个名字，在拼上手机号后四位
            int index = (int) (Math.random() * DEFAULT_NICKNAME_PREFIX.size());
            familyMember.setName(DEFAULT_NICKNAME_PREFIX.get(index) + phoneNumber.substring(phoneNumber.length() - 4));

            // Id为空，新增
            familyMemberMapper.insert(familyMember);
        }else {
            // Id不为空，更新
            familyMemberMapper.updateById(familyMember);
        }
    }
}
